Delta AH500 series Manual Page 209

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AH500 Hardware Manual
5-51
5.7 Wiring Temperature Measurement Modules
5.7.1 Wiring AH04PT-5A
1.53 mA (Ni100
sensor Pt100
sensor, or
resistor)/204.8uA
(Pt1000)*3
,
Shielded cable*1
0~300
Ni100/Ni1000
Pt100/Pt1000
Ω
0~300
Ni100/Ni1000
Pt100/Pt1000
Ω
Ni100/Ni1000
Pt100/Pt1000*2
Shielded cable*1
Shielded cable*1
2-wire
3-wire
4-wire
AG
ADC
AG
INA
AG
CH0
O0+
I0+
I0-
O0-
FG
CH1
O1+
I1+
I1-
O1-
FG
CH3
O3+
I3+
I3-
O3-
FG
*1. The cable connected to the input terminal should be the cable or the shielded twisted pair cable which can
be connected to an Ni100/Ni1000/Pt100/Pt1000 sensor, and should be kept separate from other power
cables and cables which generate noise. Please use a three-wire temperature sensor. If users want to use
a two-wire temperature sensor, On+ and In+ must be short-circuited, and On- and In- must be
short-circuited. (n is in the range of 0 to 3.)
*2. If users want to measure resistance in the range of 0 to 300 , they can use a two-wire or three-wire
sensor instead of a four-wire sensor.
*3. Users need to select an appropriate sensor. If an Ni100 temperature sensor, a Pt100 temperature sensor,
or a resistance sensor is used, the internal excitation current is 1.53 mA. If an Ni1000 temperature sensor,
or a Pt1000 temperature sensor is used, the internal excitation current is 204.8 μA.
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